Noun

S: (n) enzyme (any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions)

S: (n) protein (any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes) "a diet high in protein"

S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))

S: (n) part, portion, component part, component, constituent (something determined in relation to something that includes it) "he wanted to feel a part of something bigger than himself"; "I read a portion of the manuscript"; "the smaller component is hard to reach"; "the animal constituent of plankton"

S: (n) relation (an abstraction belonging to or characteristic of two entities or parts together)

S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))

S: (n) part, portion, component part, component, constituent (something determined in relation to something that includes it) "he wanted to feel a part of something bigger than himself"; "I read a portion of the manuscript"; "the smaller component is hard to reach"; "the animal constituent of plankton"

S: (n) relation (an abstraction belonging to or characteristic of two entities or parts together)